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356-930 356-930 is offline
Acceleration Junkie
 
Join Date: Aug 2007
Location: Laguna Beach, CA
Posts: 263
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Quote:
Originally Posted by Compulsive View Post
Does one benefit from the installation of an MSD system on a 400hp CIS 930?
Are distributor mods suggested or just leave the old one alone?
The goal is to make good power, improve the off-boost power and make sure the mixture is ignited well at high RPM and boost
The MSD ignition systems will improve engine performance of the 930 over the stock CDI in two ways. One, below 3000 rpm it fires the plugs twice for each combustion cycle thus keeping the plugs clean. Two, they give added control of timing. Depending on which controller is installed, various levels of control of timing are available.
The MSD with controller modules facilitate greater initial timing which helps wake up low rpm performance then facilitates retard of timing at higher rpm and boost (to prevent detonation and destruction).
MSD ignition systems arranged from greatest to least control:
MSD 6AL Ignition with MSD 8977 Controller
MSD 6AL Ignition with MSD 8762 Controller
MSD 6462 Integrated Ignition and Controller
MSD 6AL Ignition

The below listed MSD parts and links should be studied to determine which system will best suit your needs:
MSD 6420 (6AL) Ignition http://www.msdignition.com/ignition_6_6420.htm
MSD 8762 Boost Retard Controller http://www.msdignition.com/tc_19.htm
MSD 6462 Ignition with built in Boost Control http://www.msdignition.com/ignition_7_6462.htm
MSD 8977 Multi Function Ignition Controller http://www.msdignition.com/htmlhelp/8977.html
Old 07-18-2008, 08:43 AM
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